Gets or sets the image to display on this RibbonDialogLauncher, if you want to use a built-in Microsoft Office icon.
Assembly: Microsoft.Office.Tools.Common (in Microsoft.Office.Tools.Common.dll)
Theproperty identifies an Office icon that is displayed by the control. The property value is a string that identifies the imageMso value of the selected icon. This property can be set at design time or at run time. If you update this property at run time, the control's appearance is updated to reflect the change.
For a list of imageMso values, see the Microsoft Download Center page Office 2010 Add-In: Icons Gallery.
This property is ignored if the Image property is set. Images identified by the property can be loaded slightly faster than images identified by the Image property, because the images are cached in the Office application.